#nav{
    width: 100vw;
    height: 50px;
    background-color: white;
    text-align: center;
    position: fixed;
    top: 0;
    z-index: 100;
}
header>div>img{
    width: 30px;
    height: 30px;
}
header>div>img:nth-of-type(1){
    float: left;
    position: relative;
    top: 10px;
}
header>div>img:nth-of-type(2){
    float: right;
    position: relative;
    top: 10px;
}
header>div>span{
    font-size: 1.5em;
    line-height: 50px;
}
.flt{
    width: 100vw;
    background-color: white;
    height: 30px;
    margin-top: 53px;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content: space-around;
    line-height: 30px;
}
.hf{
    width: 100vw;
    margin: 10px 0;
    position: relative;
}
.hf>img{
    width: 100%;
}
.sjdhk{
    width: 100vw;
    background-color: white;
    padding: 20px 20px 5px 20px;
}
.flm{
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
    
}
.sjnr>div{
    width: 33%;
}
.sjnr>div>img{
    width: 90%;
    margin-bottom: 10px;
}
.sjnr{
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-wrap: wrap;
}
.sjnr>div>div{
    margin-bottom: 20px;
}
.wz{
    position: absolute;
    top: 20px;
    left: 10px;
}
.sjdhk>section>div>div{
    padding-left: 20px;
}